Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Jean G. Tattersfield"'
Publikováno v:
New Zealand Veterinary Journal. 24:40-44
Publikováno v:
New Zealand veterinary journal. 24(1-2)
Extract A survey of 1000 dairy herds in England and Wales, by the U.K. Milk Marketing Board during 1955–7 showed that 1% of the cows were affected with clinical mastitis at any one sampling. In 1957–8 the Animal Health Division of the U.K. Minist
Publikováno v:
New Zealand veterinary journal. 24(5)
Extract The design of a national mastitis survey, the methods used and the results have been described in Parts 1 and 2 of this series (Elliott et al., 1976; Tattersfield et al., 1976).
Autor:
Jean G. Tattersfield, J.G. Digby
Publikováno v:
New Zealand veterinary journal. 26(3)
The scale, complexity and short time-scale of the Brucellosis Eradication Scheme made the development of a comprehensive information system imperative. The Brucellosis Information System is derived from three data bases, a computerised record of test
Publikováno v:
New Zealand veterinary journal. 26(3)
The National Brucellosis Eradication scheme was introduced in 1971, although some testing had been carried out before this date. Up to 31 August 1977 there had been carried out 141 101 dairy and 77 459 beef herd tests. The total cattle tested during